← All Advisories
Reported from OT-Advisories.com as of

CVE-2026-103558

Last refreshed2026-10-15

Status: UPDATED  |  Advisory ID: CVE-2026-103558

Key Details

CVECVE-2026-103558
CVSS Score / Version
7.5 (High) / CVSS v3.1
Updated2026-10-13
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS Prose
attack vector is network; attack complexity is low; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is none; integrity impact is none; availability impact is high.
Affected products
see table below
Classified as
CWE-833 (Deadlock)

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
MicrosoftWindows 11 (version 23H2)
MicrosoftWindows 11 (version 24H2)
MicrosoftWindows 11 (version 25H2)
MicrosoftWindows 11 (version 26H1)
MicrosoftWindows Server 2025
MicrosoftWindows 10 (version 1607)
MicrosoftWindows 10 (version 1809)
MicrosoftWindows 10 (version 21H2)
MicrosoftWindows 10 (version 22H2)
MicrosoftWindows Server 2012
MicrosoftWindows Server 2016
MicrosoftWindows Server 2019
MicrosoftWindows Server 2022
MicrosoftWindows Server 2012 R2
MicrosoftWindows 11 Version 26H2
SubsystemsOT Supporting Infrastructure
SectorsAll Sectors

What to Know

Deadlock in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to deny service over a network.

What to Do

Monitor Microsoft's web page for any future patch releases.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-103558
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-103558
Report compilation © 2026 OT-Advisories.com  ·  CC BY 4.0  ·  Source materials remain the property of their respective publishers as cited.